Forage crops like clover and alfalfa could be planted. 可以種植飼料類(lèi)作物，比如四葉草和苜蓿。
Pest control and harvest management were the two factors having the greatest effect on production of alfalfa. 品種對大豆產(chǎn)量有決定性影響，害蟲(chóng)防治與收割管理則是影響苜蓿產(chǎn)量的兩個(gè)最主要因素。
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